Transaction not yet indexed

5ffReYPDgkErrmNcjWUcxoME5rRFMS2GoSTnUcqQxBrjJqU8wrs2EF7GAiTiFAXdNVvfeTcKcYqE4bAVN3kCvKfB

The transaction signature is valid but not yet indexed by this RPC node, or the transaction failed before inclusion.